機器
advantage
borehole
business
chemical
construction
crude
diesel
domination
drill
drilling
ecology
economy
energy
environment
equipment
exploration
extract
extracting
facility
field
fuel
gas
gasoline
helicopter
industrial
industry
mineral
money
natural
oil
oilfield
oilwell
petroleum
pipe
pipeline
platform
power
production
pump
pumping
pumpingunit
refinery
resource
rich
rig
support
symbol
technology
tool
work